What powers couponkun.jp?
Last seen Jun 2026 · 11 technologies across 10 categories
Analytics
Google Analytics
since Aug 2018
CDN
Amazon CloudFront
since Aug 2018
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Operating systems
UNIX
since Aug 2018
PaaS
Amazon Web Services
since Jan 2019
Programming languages
Web frameworks
CodeIgniter
since Sep 2021
Web server extensions
Web servers
Audience
- 74% phone
- 26% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.86 / 10 · ranked #1,844,547 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 500 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 0.5 MB · 52 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.